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the question of the starting of uclinux by u-boot

Altera_Forum
Honored Contributor II
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when i download the kernel and filesystem of uclinux to the flash 0x0 ,  

uclinux can rightly startup. but, when i use the u-boot to startup the  

kernel and filesystem of uclinux by the bootm command, the program is  

always running the half to stop.  

follows: 

U-Boot 1.1.3 (Dec 28 2005 - 19:11:13) 

 

CPU : Nios-II 

SYSID : d4a9fbb0, Mon Dec 19 06:36:32 2005 

BOARD : Altera EP-1C6 

*** Warning - bad CRC, using default environment 

 

==> bootm 0x00040000# # Booting image at 00040000 ... 

Image Name: 2.6.4 kernel for EP1C6 

Image Type: Nios-II Linux Kernel Image (gzip compressed) 

Data Size: 459971 Bytes = 449.2 kB 

Load Address: 00800000 

Entry Point: 00800000 

Verifying Checksum ... OK 

Uncompressing Kernel Image ... OK 

 

 

my u-boot is downloaded the address of 0x00000000;the kernel of uclinux  

 

is downloaded the address of 0x00040000;the filesystem of uclinux is  

 

downloaded the address of 0x00150000. 

my load address is 0x00800000;my entry address is 0x00800000.(0x00800000  

 

is my sdram the base address.) 

 

why? can someone help me! 

 

thanks!
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Altera_Forum
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